CN101404953B - Device for treating a line through which blood flows and associated preparation method - Google Patents
Device for treating a line through which blood flows and associated preparation method Download PDFInfo
- Publication number
- CN101404953B CN101404953B CN2007800103538A CN200780010353A CN101404953B CN 101404953 B CN101404953 B CN 101404953B CN 2007800103538 A CN2007800103538 A CN 2007800103538A CN 200780010353 A CN200780010353 A CN 200780010353A CN 101404953 B CN101404953 B CN 101404953B
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- rod
- far
- axis
- prosthese
- maintenance
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
- A61F2002/9511—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument the retaining means being filaments or wires
Abstract
This device comprises a tubular endoprosthesis (11) of axis (X-X') and a stent (13) of axis (Y-Y') defining a distal retention opening (23A) and a proximal retention opening (23B). The device comprises a distal wire-like tie (33A) and a proximal wire-like tie (33B). Each tie (33A, 33B) forms a retaining loop (43) running around the endoprosthesis (11). Each retaining loop (43) can stretch between a configuration in which the endoprosthesis (11) is kept in a contracted state against the stent (13) and a configuration in which the endoprosthesis (11) is released. When each retaining loop (43) is in its releasing configuration, the axis (X-X') of the endoprosthesis (11) is inclined with respect to the axis (Y-Y') of the stent (13) when no external stresses are applied. The axis (X-X') of the endoprosthesis (11) intersects the axis (Y-Y') of the stent in the internal line (18) defined by the endoprosthesis (11).
Description
The present invention relates to a kind of device that is used for the treatment of blood circulation conduit, such device comprises:
-at least one tubular inner prosthesis along axis X-X ' (endoprosthesis) can radial development between compressive state and swelling state, and prosthese defines sanguimotor internal pipeline in this;
-along the rod of axis Y-Y ', define at least one near-end fixed hole and at least one far-end fixed hole;
-be bonded on far-end silk thread and near-end silk thread in this far-end fixed hole and this near-end fixed hole respectively, every line all forms the maintenance ring of prosthese in this, each maintenance ring all can stretch between two kinds of configurations, a kind of configuration makes this interior prosthese be in the state that compresses near this rod, and another kind of configuration discharges and should make it present swelling state basically by interior prosthese.
This device is used for tubular inner prosthesis is placed into blood vessel, and prosthese is used valve (endovalve) expression in english term " stent " or the tubulose usually in these, comprises tubular inner prosthesis and the valve that is fixed to prosthese in this.
The device of the above-mentioned type has been described in EP A 0707462.Interior prosthese is installed on two hollow rods that can slide relatively by coaxial.Should be maintained at compressive state by two rhizoid lines by interior prosthese around its end.This silk thread is bonded on respectively and is separately positioned in two far-ends and near-end fixed hole in the rod.
In order to lay interior prosthese, a rod moves by the mode that slides relative to one another, so that the distance between the fixed hole reduces.
The reducing of distance makes silk thread loosen, therefore in two ends of prosthese launch simultaneously.Therefore prosthese is launched into basically with respect to a coaxial swelling state of rod from compressive state in.
Thereby, when blood vessel in the unfolded zone of interior prosthese basically linearly the time, this device is fit to.
But, when interior prosthese in curved blood vessel, for example when the intra-arterial that connects heart launches, the relative rigidity of a rod do not allow its keep with interior prosthese breaking up point near vessels axis substantially parallel.
Because the expansion of interior prosthese is coaxial with respect to the axis of a rod, thus its endovascular lay be difficulty and effort.
Thereby, the purpose of this invention is to provide a kind of device that is used for the treatment of blood vessel, this device can be placed in the curved blood vessel more accurately.
Thereby, the present invention relates to a kind of therapy equipment of the above-mentioned type, it is characterized in that, when each maintenance ring all is in when unclamping configuration, if there is not external stress, then the axis of interior prosthese favours the axis of a rod, and the axis of interior prosthese intersects in internal pipeline with the axis of a rod.
Can comprise according to device of the present invention and one or more in the following feature can adopt or adopt all technical possible combinations separately:
-Nei prosthese limits a near-end guide channel and a far-end guide channel, and on two buses of prosthese, the axis that centers on interior prosthese was offset angledly in they laid respectively at, and the two ends of each maintenance ring are bonded in one of them guide channel;
-this near-end guide channel and far-end guide channel are located substantially in the axial plane of the axis that comprises interior prosthese;
-when each maintenance ring all is in when unclamping configuration, this near-end guide channel and far-end guide channel are positioned near the rod, basically along the axis of a rod;
-this far-end fixed hole is positioned at the opposite of this near-end fixed hole with respect to rod axis, placement and this near-end guide channel placement of aliging with this near-end fixed hole of aliging with this far-end fixed hole of this far-end guide channel;
The configuration of-near-end maintenance ring prosthese in keeping and unclamp in radial development between the configuration of prosthese, on first direction away from rod, the configuration of far-end maintenance ring prosthese in keeping and unclamp in radial development between the configuration of prosthese, on the second direction opposite with first direction away from propping up a rod;
-this rod has near-end and far-end, and fixed hole is positioned at this remote area, and every rhizoid line has the control section of first end and the near-end that extend to this rod that is connected to this maintenance ring; And
-it comprises the maintenance bar, this maintenance bar is set to and can moves between maintenance position and released position with respect to a rod, align each fixed hole of the movable part of this bar is placed when the maintenance position, the movable part of this bar is placed away from each fixed hole when the released position, and every rhizoid line comprises second end that is connected to this maintenance ring and is bonded on snap ring on the bar that is in the maintenance position.
The invention still further relates to a kind of method that is used for before the device that will be defined as above is implanted blood circulation conduit, preparing this device, it is characterized in that it may further comprise the steps:
(a) interior prosthese is remained on swelling state, should or each maintenance ring be in unclamp in the configuration of prosthese, if there is not external stress, then in the axis of prosthese favour the axis of a rod, the axis of interior prosthese intersects in internal pipeline with the axis of a rod; Then
(b) strain each maintenance ring and be in the configuration that compressive state is resisted against a rod, so that should implant blood circulation conduit by interior prosthese to make it forming interior prosthese.
The narration that only provides with way of example below the reading and with reference to accompanying drawing will be better appreciated by the present invention, wherein:
Fig. 1 is the diagrammatic side view according to therapy equipment of the present invention, and interior prosthese is in compressive state;
Fig. 2 is the amplification sectional view along the axial midplane of the device of Fig. 1;
Fig. 3 is the view that is similar to Fig. 1, and interior prosthese is in swelling state; And
Fig. 4 is the partial cross section sketch map of the device of Fig. 3 when implanting curved blood vessel.
Device shown in Fig. 1 to 4 comprises the tubular inner prosthesis 11 that is installed on single the rod 13 and connects this rod 13 by releasable fixing device.
As described in the European patent application EP A 0857471, for example the monofilament of making by the braiding elastic material is made prosthese in this.
Should in define the far-end guide channel 16A of fixing device in the zone of far-end 15 of screen work prosthese 11 in this of prosthese, and the near-end guide channel 17A that in this, defines fixing device in the zone of the near-end 17 of prosthese 11.
Each guide channel 16A, 17A are limited by the mesh of the screen work of interior prosthese.In laying respectively at, passage 16A, 17A on two buses of prosthese 11, be offset around the axis X-X ' of interior prosthese 11 angledly.In this example, passage 16A, 17A are located substantially in the single plane that comprises axis X-X ', in the both sides of axis X-X '.
In a variant, passage 16A, 17A is limited by the ring that is connected in the screen work and be placed in the pipeline 18.
As everyone knows, interior prosthese 11 can be deformed to the swelling state (Fig. 3) of larger diameter naturally from the compressive state (Fig. 1) of minor diameter, and this swelling state is its rest state.
In the end 15,17 of interior prosthese, screen work comprises the folding silk thread that forms bending.
In the example shown in Fig. 1 and 2, a rod 13 comprises hollow flexible pipe.The internal diameter of this pipe was applicable to before interior prosthese 11 is placed in patient's the blood vessel, and the operation that this pipe is through the silk thread shape that is installed in the patient is with (not shown) on the fairlead.
The far-end of vertical misalignment and near-end fixed hole 23A and 23B, by lateral arrangement in the zone of the far-end 19 of rod 13.
In this example, hole 23A and 23B are disposed in the center fore-and-aft plane of a rod 13, in the both sides of the axis Y-Y ' that props up rod 13.The distance of far-end fixed hole 23A and near-end fixed hole 23B is substantially equal to along the length of the interior prosthese 11 that is in compressive state of axis X-X '.The far-end fixed hole 23A extension of aliging with far-end guide channel 16A, and the near-end fixed hole 23B extension of aliging with near-end guide channel 17A.
As described in the applicant's application FR A 2 863 160, a rod 13 also comprises hollow branch (not shown) in the zone of its near-end.These branches and the internal communication of propping up rod 13.Control channel is disposed in each ramose free end.
The releasable fixing device of interior prosthese 11 comprises maintenance bar 31 and far-end and near-end maintenance silk thread 33A and 33B.
This bar 31 can be in a rod 13 inner axis Y-Y ' translations between maintenance position, centre position and released position along a rod, the movable part 35 of this bar is with two fixed hole 23A with 23B aligns, movable part 35 aligns with near-end fixed hole 23B and away from far-end fixed hole 23A, movable part 35 is away from two fixed hole 23A and 23B when the released position during in the centre position when the maintenance position.
In the example shown in Fig. 2, far-end maintenance silk thread 33A comprises individual filament, and this filament comprises end snap ring 41, maintenance ring 43 and control section 45.
This end snap ring 41 is formed at the far-end of this filament.It is made up of the closed-loop of a minor diameter.When bar 31 was in the maintenance position, the active part 35 of bar 31 was bonded in the snap ring 41.
Snap ring 41 also can be out of shape, and its width is substantially equal to the twice of the width of filament when it is out of shape.
Snap ring 41 is connected to maintenance ring 43 by part 47, and part 47 is bonded among far-end fixed hole 23A and the far-end guide channel 16A.
As shown in Figure 1, maintenance ring 43 is formed by the part of this filament, this parts of fine filament winding axis X-X ', along should in the circumference of prosthese 11, engage in the mode of sliding around the screen work of interior prosthese 11.In a variant, maintenance ring 43 passes the inside and outside of screen work continuously around axis X-X '.
In addition, the active length of maintenance ring 43 is variable, so that prosthese 11 launches with respect to a rod 13 in the control.
As described below, maintenance ring 43 can stretch between two kinds of configurations, and prosthese is in compressive state against a rod 13 (length of described ring and diameter minimum) in wherein a kind of retention of configuration, and another kind of configuration then unclamps interior prosthese (length of described ring and diameter maximum).
As shown in Figure 2, control section 45 is in rod 13 inside, extends between far-end fixed hole 23A and the control channel at the near-end of a rod 13.
A control end of control section 45 passes the outside that control channel is bonded on a rod 13.Therefore, the part of this control section is projected into ramose outside.The length of this ledge is variable and the length of control maintenance ring.
Thereby control section 45 is with respect to the mobile active length that correspondingly reduced maintenance ring 43 of a rod 13 towards the near-end of a rod, and therefore, interior prosthese 11 links closely in the zone of maintenance ring 43 and props up a rod 13.
When interior prosthese 11 was in compressive state near rod 13, control section 45 remained under the pulling force.
On the contrary, control section 45 is with respect to the rod 13 mobile active length that increases maintenance ring 13 towards the far-end 19 of a rod, the footpath upwards away from the axis Y-Y ' of a rod 13 and on the first direction that points to Fig. 1 bottom away from far-end guide channel 16A.Prosthese 11 launched away from a rod 13 around maintenance ring 43 in the extension of ring 43 allowed.
When interior prosthese 11 was in swelling state, control section 45 loosened basically.
As shown in Figure 2, the structural similarity of near-end maintenance silk thread 33B is in the structure of far-end maintenance silk thread 33A.
But, 33A is different with far-end maintenance silk thread, the control section 45 of near-end maintenance silk thread 33B is with respect to the rod 13 mobile active length that increases maintenance ring 43 towards the far-end 19 of a rod 13, the footpath upwards away from a rod 13 and on the second direction on the sensing Fig. 1 top opposite with first direction away from near-end guide channel 17A.
As shown in Figure 3, when interior prosthese 11 is in swelling state, and when maintenance ring 43 be in unclamp in prosthese 11 loosen configuration the time, do not have external stress put in when prosthese 11 and/or rod 13 in the axis X-X ' of prosthese 11 favour the axis Y-Y ' of a rod.
Axis X-the X ' of interior prosthese and the axis Y-Y ' of a rod intersect in internal pipeline 18; In other words, in the planar projection in positive axis of the axis Y-Y ' that passes through a rod, the axis X-X ' of interior prosthese and axis Y-Y ' intersect at a bit that is positioned at circulating line 18 inside.
In this configuration, far-end guide channel 16A and near-end guide channel 17A are positioned near the rod 13, basically along the axis Y-Y ' that props up rod.Interior prosthese 11 can for example realize at human external naturally with respect to the inclination of rod 13, and do not need to apply external stress to interior prosthese 11.
As an example, now will explain work according to first therapy equipment of the present invention.
At first, this device is kept at (not shown) in the packing, interior prosthese 11 is in the deployed condition similar to state shown in Figure 3.
In this configuration, control stick 31 is in the maintenance position.Far-end and near-end maintenance silk thread 23A and 23B are bonded in the bar 31 and in the screen work of interior prosthese 11.
The mechanical performance of prosthese 11 in this packing keeps, particularly when the tubulose screen work of prosthese in this be inserted into also extendible closely such as elastomeric thin film in the time.
As mentioned above, under this state, the axis X-X ' of interior prosthese 11 nature tilts with the axis Y-Y ' of a rod 13.
Secondly, the doctor takes out this device from packing.His implant surgery fairlead (not shown), this fairlead extend in blood vessel 71, from the intervention point of outside until the angiosomes of prosthese 11 in should implantable tubular.
As shown in Figure 4, this blood vessel 71 has crooked 73 near implanting point 75.
Once more, for in interior prosthese 11 implantable intravasculars 71, the doctor is with each maintenance silk thread 23A, and the control section 45 of 23B moves towards the near-end of a rod 13.The active length of maintenance ring 43 reduces, so that interior prosthese 11 is towards rod 13 compressions and coaxial and be fixed firmly to a rod 13 with a rod 13.
Thereby, interior prosthese 11 be in as shown in Figure 1, screen work is substantially against the contraction state of rod 13.Therefore, by moving a rod 13 with the fairlead (not shown), interior prosthese is incorporated into the implantation point along operation.
In some cases, and, before introducing, around interior prosthese 11, a sleeve pipe (not shown) is set, and in a single day realizes introducing just it being drawn back in order to keep minimum radial dimension.
Therefore, a rod 13 is positioned as the zone that makes near-end guide channel 16A be positioned at the first surface 77 of blood vessel to be treated, and far-end guide channel 17A is positioned at the zone on the surface 79 of aliging with blood vessel to be treated.Basically place guide channel 16A and 17A along axis Y-Y '.
In view of the relative rigidity of a rod 13, a rod 13 does not have to imitate the shape of the blood vessel 71 in crooked 73 in the time of in will propping up rod 13 implantable intravasculars 71.Near implantation point 75, the axis Y-Y ' of a rod favours the axis Z-Z ' of blood vessel 71.
According to the shape of blood vessel to be treated, in the doctor can select at first to launch in the end 15 and 17 of prosthese 11 one or another.As an example, will the expansion of far-end 15 be described.
At first, the doctor moves the far-end 19 of control section 45 towards a rod 13.Thereby the active length of maintenance ring 43 has increased.
Between the extended peroid of maintenance ring 43, far-end guide channel 16A remains essentially in the zone of first surface 77 of blood vessel to be treated and in the zone of rod 13, and maintenance ring 43 launches towards the second surface 79 of blood vessel to be treated away from a rod 13 and far-end guide channel 16A.
Thereby the screen work of interior prosthese 11 is deformed to the deployed condition shown in Fig. 3 from the compressive state shown in Fig. 1 naturally.
If the doctor in launching during prosthese the location of the far-end 15 of internal prosthese 11 dissatisfied, then he reduces the active length of maintenance ring 43 by tractive control section 45, props up on the rod 13 so that interior prosthese 11 is compressed in.Thereby, interior prosthese 11 is moved to more satisfied position.
The doctor relies on near-end maintenance silk thread 33B to carry out the expansion of the near-end 17 of interior prosthese 11 equally, then.
The maintenance ring 43 of near-end retaining wire line 33B is launched towards the opposed surface 77 of blood vessel to be treated away from near-end guide channel 17A.Thereby when being unfolded, far-end and near-end maintenance ring 43 extend in the both sides of the axis Y-Y ' of a rod.
Therefore, when interior prosthese 11 was in expanded configuration in blood vessel 71, it was implanting axis X-X ' that point 75 places have the axis Z-Z ' that is arranged essentially parallel to blood vessel 71.
When the location of the far-end 15 of the internal prosthese 11 of doctor was satisfied, he moved to the centre position with maintenance bar 31 from the maintenance position.In the moving process, the snap ring 41 of far-end maintenance silk thread 33A unclamps from bar 31.
Doctor's tractive control section 45 then takes control channel to the far-end with far-end maintenance silk thread 23A, continuously by far-end guide channel 16A, around the screen work of interior prosthese 11, arrives the inside of a rod 13, and by control branch.
Thereby the far-end 15 of interior prosthese 11 irreversibly is fixed in the blood vessel 71.
Then, the location of the near-end 17 of prosthese 11 in the doctor checks.
When this end 17 was located by satisfaction, he moved to the released position with bar 31 from middle position, and unclamps the snap ring 41 of near-end maintenance silk thread 33B.
As above to describe the mode of far-end maintenance silk thread 33A, he draws back near-end maintenance silk thread 33B.Interior prosthese 11 is placed, rests on the wall of blood vessel 71, and a rod 13 is freely with respect to interior prosthese 11.Thereby, it is retracted to outside the blood vessel.
At this moment, the fixing device of the interior prosthese 11 on a rod 13 all is retracted to outside the blood vessel.
Because as the silk thread 33A around interior prosthese, when the maintenance ring 43 of 33B was in the configuration that unclamps interior prosthese, the axis X-X ' of interior prosthese 11 tilted naturally with respect to the axis Y-Y ' of a rod 13, and this helps the interior location of prosthese 11 in curved blood vessel 71.In fact, the axis X-X ' that is in the interior prosthese 11 of swelling state is different from the axis Y-Y ' of a rod 13, and overlaps with the axis Z-Z ' that puts near the blood vessel to be treated 71 75 in implantation basically.
In a variant, to prop up a rod 13 and can comprise two intussusception parts, these two intussusceptions parts can be rotated along the axis Y-Y ' translation of a rod 13 and around the axis Y-Y ' that props up rod 13 relative to each other.
Claims (8)
1. device that is used for the treatment of blood circulation conduit (71), this device comprises:
-at least one tubular inner prosthesis (11) along axis (X-X ') can radial development between compressive state and swelling state, and prosthese (11) defines sanguimotor internal pipeline (18) in this;
-along a rod (13) of axis (Y-Y '), define at least one near-end fixed hole (23B) and at least one far-end fixed hole (23A);
-be bonded on far-end silk thread (33A) and near-end silk thread (33B) in this far-end fixed hole (23A) and this near-end fixed hole (23B) respectively, every rhizoid line (33A, 33B) all form around the maintenance ring (43) that is somebody's turn to do interior prosthese (11), each maintenance ring (43) all can stretch between two kinds of configurations, a kind of configuration makes this interior prosthese (11) be in the state that compresses near this rod (13), another kind of configuration discharges and should make it present swelling state basically by interior prosthese (11)
It is characterized in that, when each maintenance ring (43) all is in when unclamping configuration, if there is not external stress, the axis of then interior prosthese (11) (X-X ') favours the axis (Y-Y ') of a rod (13), and the axis of the axis of interior prosthese (11) (X-X ') and a rod (13) (Y-Y ') in internal pipeline (18), intersect.
2. according to the device of claim 1, it is characterized in that, should limit a near-end guide channel (17A) and a far-end guide channel (16A) by interior prosthese (11), they lay respectively on two buses of interior prosthese (11), be offset around the axis of interior prosthese (11) (X-X ') angledly, the two ends (51,53) of each maintenance ring (43) be bonded on one of them guide channel (16A, 17A) in.
3. according to the device of claim 2, it is characterized in that this near-end guide channel (17A) and far-end guide channel (16A) are located substantially in the axial plane of the axis that comprises interior prosthese (11) (X-X ').
4. according to the device of claim 2 or claim 3, it is characterized in that, when each maintenance ring (43) all is in when unclamping configuration, this near-end guide channel (17A) and far-end guide channel (16A) are positioned near the rod (13), basically along the axis of a rod (13) (Y-Y ').
5. according to the device of claim 2 or 3, it is characterized in that, this far-end fixed hole (23A) is positioned at the opposite of this near-end fixed hole (23B) with respect to the axis of rod (13) (Y-Y '), placement and this near-end guide channel (17A) placement of aliging with this near-end fixed hole (23B) of aliging with this far-end fixed hole (23A) of this far-end guide channel (16A).
6. according to each device in the claim 1 to 3, it is characterized in that, the configuration of near-end maintenance ring (43) prosthese (11) in keeping and unclamp radial development between the configuration of interior prosthese (11), on first direction away from rod (13), the configuration of far-end maintenance ring (43) prosthese (11) in keeping and unclamp radial development between the configuration of interior prosthese (11), on the second direction opposite with first direction away from propping up a rod (13).
7. according to each device in the claim 1 to 3, it is characterized in that, this rod (13) has near-end and far-end (19), far-end fixed hole and near-end fixed hole (23A, 23B) be positioned at the zone of this far-end, (33A 33B) has the control section (45) of first end (53) that is connected to this maintenance ring (43) and the near-end that extends to this rod (13) to every rhizoid line.
8. according to the device of claim 7, it is characterized in that, it comprises maintenance bar (31), this maintenance bar is set to and can moves between maintenance position and released position with respect to a rod (13), the movable part (35) of this bar (31) each fixed hole (23A that aligns when the maintenance position, 23B) place, the movable part (35) of this bar (31) is away from each fixed hole (23A when the released position, 23B) place, (33A 33B) comprises second end (51) that is connected to this maintenance ring (43) and be bonded on snap ring (41) on the bar (31) that is in the maintenance position to every rhizoid line.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0600654A FR2896405B1 (en) | 2006-01-24 | 2006-01-24 | DEVICE FOR TREATING A BLOOD CIRCULATION CONDUIT AND METHOD OF PREPARING THE SAME |
| FR0600654 | 2006-01-24 | ||
| PCT/FR2007/000129 WO2007085724A2 (en) | 2006-01-24 | 2007-01-23 | Device for treating a line through which blood flows and associated preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101404953A CN101404953A (en) | 2009-04-08 |
| CN101404953B true CN101404953B (en) | 2011-11-09 |
Family
ID=36992754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800103538A Active CN101404953B (en) | 2006-01-24 | 2007-01-23 | Device for treating a line through which blood flows and associated preparation method |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8252037B2 (en) |
| EP (1) | EP1976454B1 (en) |
| CN (1) | CN101404953B (en) |
| BR (1) | BRPI0706955B8 (en) |
| FR (1) | FR2896405B1 (en) |
| WO (1) | WO2007085724A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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- 2007-01-23 CN CN2007800103538A patent/CN101404953B/en active Active
- 2007-01-23 WO PCT/FR2007/000129 patent/WO2007085724A2/en active Application Filing
- 2007-01-23 BR BRPI0706955A patent/BRPI0706955B8/en active IP Right Grant
- 2007-01-23 US US12/223,170 patent/US8252037B2/en active Active
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| CN1228690A (en) * | 1996-07-03 | 1999-09-15 | 巴克斯特国际有限公司 | Stented radially expandable tubular PTFE graft with fixed film |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0706955A2 (en) | 2011-04-12 |
| EP1976454A2 (en) | 2008-10-08 |
| BRPI0706955B1 (en) | 2018-03-06 |
| WO2007085724A2 (en) | 2007-08-02 |
| CN101404953A (en) | 2009-04-08 |
| US8252037B2 (en) | 2012-08-28 |
| BRPI0706955B8 (en) | 2021-06-22 |
| WO2007085724A3 (en) | 2007-09-20 |
| FR2896405A1 (en) | 2007-07-27 |
| US20100268322A1 (en) | 2010-10-21 |
| FR2896405B1 (en) | 2008-04-18 |
| EP1976454B1 (en) | 2011-12-21 |
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